package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.lang.Nullable;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * @Classname MyMQConfig
 * @Description TODO
 * @Date 2024/7/17 14:53
 * @Created by 369502594
 */
@Configuration
public class MyMQConfig {

    // @Bean Binding Queue EXchange

    /**
     * 容器中的Binding、Queue、Exchange都会自动创建（Rabbit没有的情况下）
     * RabbitMQ 只要有。@Bean声明属性发生变化也不会覆盖
     * @return
     */



    @Bean
    public Queue orderDelayQueue() {
        /**
         *         "x-dead-letter-exchange", "order-event-exchange"
         *         "x-dead-letter-routing-key", "order.release.order"
         *         "x-message-ttl", 60000
         */
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "order-event-exchange");
        arguments.put("x-dead-letter-routing-key", "order.release.order");
        arguments.put("x-message-ttl", 60000);
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        //order.release.order.queue
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange() {
        // TopicExchange(String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding() {
        //Binding(String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments)
        return new Binding("order.delay.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
    }


    /**
     * 订单释放直接和库存释放进行绑定
     */
    @Bean
    public Binding orderReleaseOtherBinding() {
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
    }


    @Bean
    public Queue orderSecKillOrderQueue(){
        // Queue(String name, boolean durable, boolean exclusive, boolean autoDelete,
        //			@Nullable Map<String, Object> arguments)
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    @Bean
    public Binding orderSecKillOrderBinding(){
        //Binding(String destination, DestinationType destinationType, String exchange, String routingKey,
        //			@Nullable Map<String, Object> arguments)
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }

}
